Important: If your device is out of support, it is no longer receiving security updates from Microsoft and may become more vulnerable to security risks and viruses.For this reason, we strongly recommend that you update to the latest version of Windows. Each version of Windows is supported for 18 months.

=RAND()*(b-a)+a. If you want to use RAND to generate a random number but don't want the numbers to change every time the cell is calculated, you can enter =RAND() in the formula bar, and then press F9 to change the formula to a random number. The formula will calculate and leave you with just a value.

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Use Microsoft Teams to chat online with your colleagues. Start a chat with another person. Start all chats the same way: by selecting New chat at the top of your chat list.

Microsoft .NET Framework 4.8.1 is a highly compatible and in-place update to .NET Framework 4.8. It includes native support for the Arm64 architecture (Windows 11+), accessibility improvements as well as other improvements.

These commands give you the title of the document on the top of the page and a page number at the bottom of a printed document.

Set a shorter duration for an active display. Select Start > Settings > System > Power & battery > Screen and sleep.For On battery power, turn off my screen after, pick a shorter duration. Open Power & sleep settings. Reduce your display’s brightness. Select Start > Settings > System > Display > Brightness .Clear the Change brightness automatically when lighting changes or the Help improve ...

Insert rows. To insert a single row: Right-click the whole row above which you want to insert the new row, and then select Insert Rows. To insert multiple rows: Select the same number of rows above which you want to add new ones.Right-click the selection, and then select Insert Rows.. Insert columns. To insert a single column: Right-click the whole column to the right of where you want to add ...

Learn how to tell if your Office software is genuine. To help determine if your Microsoft software is genuine, go to our How to Tell site for more information. Here you'll learn about authentic packaging, including what to look for with product key labels, and Certificate of Authenticity (COA), how to report counterfeit software, and find out what your shopping and licensing options are.

From the Start menu or apps list, press and hold (or right-click) an app, then, if available, select Pin to taskbar .